Revert r990772 and r990774. "Adjust diff tests to include copied paths".
Revert r990772 and r990774. "Adjust diff tests to include copied paths".

It turns out that determing copyfrom information is more involved
than I first anticipated. We first need a proper definition of
what kind of information the server should send.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion